“Evaluation of the protective effect of guava fruits and leaves on oxidative stress - doi: 10.4025/actascibiolsci.v36i1.19839”, Acta Sci. Biol. Sci., vol. 36, nº 1, p. 35–40, set. 2013, doi: 10.4025/actascibiolsci.v36i1.19839.